TCS iON ProCert - Blockchain Developer (Ethereum)

Get Certified on Your Blockchain Proficiency

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About TCS iON ProCert - Blockchain Developer (Ethereum)

TCS iON ProCert - Blockchain Developer (Ethereum) is a certification designed to help Blockchain enthusiasts gain recognition for their Blockchain (Ethereum) development proficiency and enhance their industry credibility. This certification is designed by top industry practitioners to evaluate an individual's expertise in Blockchain development. The proctored remote assessment will be conducted online allowing candidates to take the test from home using their laptop or desktop, without having to visit the test centre.

Who can Apply?

Possess 2 to 8 years of experience

Age group of 22 to 35 years

Minimum 50% in 10th, 12th and Graduation

Can be currently employed with TCS

Part Time/Distance Education/Correspondence qualifications will not be eligible

Not have more than 2 years break in career/academics

Knowledge of one or more of the following programming languages: TypeScript, Java, C++, Go, Python, JavaScript, Kotlin, Solidity, or Node.js

Assessment Details

Minutes Questions Marks

Proctored Remote Assessment covering key areas in Blockchain (Ethereum), conducted online

Distributed Systems & Bitcoin




Smart Contracts



Web 3

Please click here for detailed sub-topics under each topic.

Assessment Topics

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Distributed Systems & Bitcoin: (Number of Questions 20)

  • Data Stores
  • Computing
  • File Systems
  • Messaging
  • Applications
  • Ledgers
  • CAP Theorem
  • Byzantine Generals & Practical Byzantine Fault Tolerance (pBFT)
  • Double Spend Attack
  • History of Bitcoin

Blockchain: (Number of Questions 20)

  • Elements and Features of a Blockchain
  • How it Works
  • Consensus Mechanisms
  • Benefits and Limitations
  • Types of Blockchains (public vs. private and permissioned vs. permissionless)
  • Tokens

Decentralization: (Number of Questions 10)

  • Types of Decentralization
  • Methods of Decentralization
  • Blockchain and Full Economic Decentralization
  • Role of Smart Contractions
  • Types of Decentralized Organisations (DAO, DAPP, DAC, DAS etc.)

Cryptography: (Number of Questions 10)

  • Characteristics (confidentiality, integrity, authentication, non-repudiation, accountability)
  • Symmetric vs. Asymmetric
  • Public Key Infrastructure (RSA and Elliptic Curve)
  • Hash Functions

Smart Contracts: (Number of Questions 10)

  • History
  • Ricardian Contracts
  • Templates
  • Oracles
  • Deploying Smart Contracts
  • The DAO

Ethereum: (Number of Questions 10)

  • Ethereum Network
  • Components (keys/addresses, accounts, transactions, cryptocurrency, virtual machine, and smart contracts)
  • Runtime
  • Blocks and Blockchain
  • Fee Schedule and Wallets
  • APIs, Tools, and Dapps
  • Supporting Protocols (Swarm and Whisper)
  • Scalability, Security and Other Challenges
  • Development Environment (test network and private network)
  • Development Tools and Frameworks (languages, compilers, IDEs, contract development and deployments)

Solidity: (Number of Questions 10)

  • Layout of a Solidity Source File
  • Structure of a Contract
  • Types (value, reference, mapping etc.)
  • Units and Globally Available Variables
  • Expressions and Control Structures
  • Contracts
  • Solidity Assembly

Web 3: (Number of Questions 10)

  • Contract Deployment
  • POST Requests
  • Installing web3.js
  • Truffle
  • Oracles
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Advantages of TCS iON ProCert - Blockchain Developer (Ethereum)

  • Get Recognised - Gain recognition for your Blockchain experience and expertise
  • Get an Edge - Stand out among your peers by enhancing your industry credibility
  • Get Noticed - Get career opportunities in Blockchain with top recruiters

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Key Features

Validation of Practical Expertise for Blockchain Developers by Industry Practitioners
Well Researched and High Quality Questions
Gain Access to Top Corporates Looking for Blockchain Developer Talent
Scheduled and Proctored Online Remote Assessments on the TCS iON Secured Digital Platform


Available Assessment Centre(s)

View list of all available assessment centres within India

Available Assessment Centres

Andhra Pradesh

  • Chirala
  • Guntur
  • Kakinada
  • Kurnool
  • Nellore
  • Rajahmundry
  • Tirupathi
  • Vijayawada
  • Visakhapatnam
  • Vizianagaram


  • Dibrugarh
  • Guwahati
  • Jorhat
  • Silchar
  • Tezpur


  • Arrah
  • Darbhanga
  • Muzaffarpur
  • Patna


  • Chandigarh


  • Bhilai Nagar
  • Bilaspur
  • Raipur


  • New Delhi


  • Panaji


  • Ahmedabad
  • Anand
  • Gandhinagar
  • Mehsana
  • Rajkot
  • Surat
  • Vadodara


  • Ambala
  • Gurugram
  • Hisar
  • Karnal
  • Kurukshetra

Himachal Pradesh

  • Hamirpur

Jammu and Kashmir

  • Jammu
  • Samba


  • Bokaro Steel City
  • Dhanbad
  • Hazaribagh
  • Jamshedpur
  • Ranchi


  • Bengaluru
  • Kalaburagi (Gulbarga)
  • Hubballi (Hubli)
  • Mangaluru (Mangalore)
  • Mysuru (Mysore)
  • Shivamogga (Shimoga)
  • Udupi


  • Kannur
  • Kozhikode
  • Thiruvananthapuram
  • Thrissur

Madhya Pradesh

  • Bhopal
  • Gwalior
  • Indore
  • Jabalpur
  • Sagar
  • Satna
  • Ujjain


  • Amravati
  • Aurangabad
  • Jalgaon
  • Kolhapur
  • Mumbai
  • Nagpur
  • Nanded
  • Nashik
  • Navi Mumbai
  • Pune


  • Shillong


  • Aizawl


  • Kohima


  • Balasore
  • Berhampur-Ganjam
  • Bhubaneswar
  • Cuttack
  • Dhenkanal
  • Rourkela
  • Sambalpur


  • Amritsar
  • Bhatinda
  • Jalandhar
  • Ludhiana
  • Mohali
  • Patiala


  • Ajmer
  • Bikaner
  • Jaipur
  • Jodhpur
  • Kota
  • Sikar
  • Udaipur

Tamil Nadu

  • Chennai
  • Coimbatore
  • Madurai
  • Salem
  • Tiruchirappalli
  • Tirunelveli


  • Hyderabad
  • Karimnagar
  • Warangal

Uttar Pradesh

  • Agra
  • Aligarh
  • Allahabad
  • Bareilly
  • Ghaziabad
  • Gorakhpur
  • Greater Noida
  • Jhansi
  • Kanpur
  • Lucknow
  • Meerut
  • Moradabad
  • Muzaffarnagar
  • Noida
  • Varanasi


  • Dehradun
  • Haldwani
  • Roorkee

West Bengal

  • Asansol
  • Hooghly
  • Kolkata
  • Siliguri

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1.How do I register and take TCS iON ProCert - Blockchain Developer (Ethereum) certification assessment?+
  1. Click on "Buy Now" on the "TCS iON ProCert - Blockchain Developer (Ethereum)" product page.
  2. Login with your TCS iON Digital Learning Hub credentials or sign up as a new user.
  3. After login/sign up, you will be asked to share your details required to complete your registration process. This includes your name, email ID, phone number and other details.
  4. In case of Buy Now: On successful submission of the registration form, you need to proceed to make the payment by clicking on "Click to Proceed."
  5. In case of Activate Now: A pop-up window will open, where you need to enter the Licence Code and click on the "Activate Now" button. Once you click on the "Close" button, you will be automatically redirected to "My Dashboard".
  6. You will receive a successful registration message on your registered email ID/mobile number.
  7. Since this is an online assessment, you will not receive any hall ticket. However, you will receive the link to download TCS iON Assessment Launcher along with login credentials on your registered email ID four days prior to the scheduled assessment date.